Mrs Chang wrote each letter from the following word on a different index card using nine index cards in total

Question

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362

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She will shuffle the cards and have one student pick one at random if the student picks "e" the student wins the game.

TENNESSEE

If Mrs Chang is playing the game with 45 students, what is the best prediction for the number of students who Wil win

A.5

B.12

C.20

D.36

Guest Jan 7, 2016

CPhill · Answer 1 · 2016-01-07T10:22:49

Since the word cotainns four "E's" and there are nine total letters.......we would expect that out of N draws, (4/9) of them will be winners....

So.....with 45 draws......45(4/9) = (45/9) * 4 = 5 * 4 = 20 students will be expected to win